Condensed Statements of Stockholders' Equity (Deficit) (Unaudited) - USD ($) $ in Thousands	Total	Preferred Stock	Common Stock	Additional Paid-in Capital	Accumulated Deficit
Beginning Balance at Dec. 31, 2020	$ (1,177)	$ 1		$ 9,874	$ (11,052)
Beginning Balance (Shares) at Dec. 31, 2020		8,908,600	2,324,479
Exercise of stock options	6			6
Exercise of stock options (in shares)			50,000
Stock-based compensation expense	10			10
Net loss	(1,356)				(1,356)
Ending Balance at Mar. 31, 2021	(2,517)	$ 1		9,890	(12,408)
Ending Balance (Shares) at Mar. 31, 2021		8,908,600	2,374,479
Beginning Balance at Dec. 31, 2020	(1,177)	$ 1		9,874	(11,052)
Beginning Balance (Shares) at Dec. 31, 2020		8,908,600	2,324,479
Net loss	(4,770)
Ending Balance at Sep. 30, 2021	(5,792)	$ 1		10,029	(15,822)
Ending Balance (Shares) at Sep. 30, 2021		8,908,600	2,833,958
Beginning Balance at Mar. 31, 2021	(2,517)	$ 1		9,890	(12,408)
Beginning Balance (Shares) at Mar. 31, 2021		8,908,600	2,374,479
Stock-based compensation expense	8			8
Net loss	(1,094)				(1,094)
Ending Balance at Jun. 30, 2021	(3,603)	$ 1		9,898	(13,502)
Ending Balance (Shares) at Jun. 30, 2021		8,908,600	2,374,479
Exercise of stock options	56			56
Exercise of stock options (in shares)			346,979
Issuance of common stock (in shares)			112,500
Issuance of warrants	52			52
Stock-based compensation expense	23			23
Net loss	(2,320)				(2,320)
Ending Balance at Sep. 30, 2021	(5,792)	$ 1		10,029	(15,822)
Ending Balance (Shares) at Sep. 30, 2021		8,908,600	2,833,958
Beginning Balance at Dec. 31, 2021	13,272		$ 1	32,817	(19,546)
Beginning Balance (Shares) at Dec. 31, 2021			9,715,234
Stock-based compensation expense	61			61
Net loss	(2,240)				(2,240)
Ending Balance at Mar. 31, 2022	11,093		$ 1	32,878	(21,786)
Ending Balance (Shares) at Mar. 31, 2022			9,715,234
Beginning Balance at Dec. 31, 2021	$ 13,272		$ 1	32,817	(19,546)
Beginning Balance (Shares) at Dec. 31, 2021			9,715,234
Exercise of stock options (in shares)	56,250
Net loss	$ (7,842)
Ending Balance at Sep. 30, 2022	5,772		$ 1	33,159	(27,388)
Ending Balance (Shares) at Sep. 30, 2022			9,677,734
Beginning Balance at Mar. 31, 2022	11,093		$ 1	32,878	(21,786)
Beginning Balance (Shares) at Mar. 31, 2022			9,715,234
Repurchase of common stock (in shares)			(93,750)
Stock-based compensation expense	112			112
Net loss	(3,018)				(3,018)
Ending Balance at Jun. 30, 2022	8,187		$ 1	32,990	(24,804)
Ending Balance (Shares) at Jun. 30, 2022			9,621,484
Exercise of stock options	56			56
Exercise of stock options (in shares)			56,250
Stock-based compensation expense	113			113
Net loss	(2,584)				(2,584)
Ending Balance at Sep. 30, 2022	$ 5,772		$ 1	$ 33,159	$ (27,388)
Ending Balance (Shares) at Sep. 30, 2022			9,677,734